String fileName = System.Configuration.ConfigurationManager.AppSettings["fileName"]; String url = System.Configuration.ConfigurationManager.AppSettings["url"]; //编码 Encoding encode = Encoding.GetEncoding("utf-8"); //请求URL HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url); HttpWebResponse rep = (HttpWebResponse)req.GetResponse(); //创建StreamReader与StreamWriter文件流对象 StreamReader sr = new StreamReader(rep.GetResponseStream(), encode); StreamWriter sw = new StreamWriter(fileName, false, encode); //写入内容 sw.Write(sr.ReadToEnd()); //清理当前缓存区，并将缓存写入文件 sw.Flush(); //释放相关对象资源 sw.Close(); sw.Dispose(); sr.Close(); sr.Dispose(); config 配置

this.gequbiao.SelectedIndex=-1; this.gequbiao.Items[r.Next(0, this.gequbiao.Items.Count)].Selected = true ; this.Player1.URL = gequbiao.SelectedItems[0].SubItems[1].Text;